Merge branch 'wip/301-auth-errors' into 'master'

Fix SMTP auth errors when using IMAP credentials

See merge request !168
3 jobs for master in 14 minutes and 34 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #239827
fedora

00:09:00

passed #239828
ubuntu

00:08:47

 
  Test
passed #239829
flatpak

00:05:34